#content {
  background-image: url(../../images/lock_1.png);
  height: 1100px;
  background-repeat: no-repeat;
  background-position-x: 100%;
  background-size: cover;
  margin-top: -20px;
  padding: 0;
  
}
#denglu{
  width: 360px;
  height: 343px;
  background: #8E9093;
  top: 270px;
  left: 800px;
  position: relative;
  opacity: 0.8;
  border-radius: 10px;
  div:first-child{
    padding: 0 50px;
    margin-bottom: 40px;
    img{
      float: left;
      margin-right: 10px;
      margin-top: 10px;
    }
    h2{
      float: left;
      color: #66B2FF;
    }
  }
}
#denglu>div:nth-of-type(2){
  margin: 40px 40px;
  input{
    height: 34px;
    width: 270px;
    background: white;
    margin-top: 20px ;
  }
 
}
#denglu>div:nth-of-type(3){
  margin: 40px 40px;
  input{
    height: 34px;
    width: 270px;
    background: white;
  }
 
}
#denglu>div:nth-of-type(4){
  margin: 60px 40px;
  button{
    height: 34px;
    width: 270px;
    background: #66B2FF;
    border: none;
    border-radius: 10px;
    color: white;
    font-weight: bold;
    &:hover{
      background-color: #619EDC;
    }
  }
 
}